xr20m1170 Exar Corporation, xr20m1170 Datasheet - Page 43

• Manufacturer Part Number: xr20m1170
• Description: I2c/spi Uart With 64-byte Fifo
• Manufacturer: Exar Corporation

REV. 1.0.0
AC ELECTRICAL CHARACTERISTICS - UART CLOCK
Unless otherwise noted: TA=-40
F
IGURE
S
XTAL1
T
ECLK
YMBOL
ECLK
External
Clock
20. C
UART Crystal Oscillator
UART External Clock
External Clock Time Period
LOCK
VIHCK
VILCK
T
IMING
P
ARAMETER
o
to +85
o
C, Vcc=1.62 - 3.63V
T
ECH
43
M
1.8V ± 10%
IN
15
T
ECLK
L
IMITS
M
24
32
AX
M
I2C/SPI UART WITH 64-BYTE FIFO
2.5V ± 10%
IN
10
L
T
IMITS
ECL
M
24
50
AX
M
3.3V ± 10%
IN
7
L
IMITS
XR20M1170
M
24
64
AX
U
MHz
MHz
ns
NIT